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KMID : 1101420170490040395
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Korean Journal of Clinical Laboratory Science
2017 Volume.49 No. 4 p.395 ~ p.400
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The Development of Diagnosis for Atopic Dermatitis by Evaluating the Expression of Skin Barrier Proteins Using a Non-Invasive Method
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Kim In-Sik
Lee Ji-Sook
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Abstract
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Atopic dermatitis is a chronic inflammatory skin disease caused by a variety of genetic and environmental factors, dysregulation of immunological response, as well as dysfunction of the skin barrier proteins. The purpose of this study is to develop an ELISA kit suitable for evaluating the expression of skin barrier proteins. Proteins were obtained from the skin via AriNo and D-Squame patches. The efficiency of protein collection from the skin, using the Arino patch, was shown to be more effective than using D-Squame; while the efficiency of lysis using 0.1% Triton-X100 was higher than that of other lysis solutions, including 0.1 M Tris-HCL, 0.1% Tween-20, and 5 mM KOH. Recombinant skin barrier proteins, such as filaggrin and involucrin, were produced by molecular biological methods. Monoclonal antibodies against filaggrin and involucrin were produced by immunization of mice, fusion of spleen cells and myeloma cells, as well as a selection of antibody-producing hybridoma cells. The filaggrin expression in the skin of subjects suffering from atopic dermatitis was lower than that in normal mice. Involucrin expression was not altered between normal individuals and subjects with atopic dermatitis. These findings contribute to an elucidation of the importance of the skin barrier protein expression in atopic dermatitis and the development of a diagnostic kit for atopic dermatitis.
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KEYWORD
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Atopic dermatitis, Skin barrier protein, Filaggrin, Diagnosis
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